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Vieques weather in September (Puerto Rico)

How is the weather in Vieques in September? Check out this comprehensive weather guide.

In September, Vieques generally has high temperatures and heavy rainfall. Anticipate daytime temperatures around 30°C, while night temperatures can drop to 27°C.

Keep in mind that while these are the average temperatures, there can be days that are even hotter. It's essential to be prepared for such heat. Wearing light, breathable fabrics and protecting yourself from the sun's intensity with hats or shades can make a difference. Hydration is key, so remember to drink plenty of water, especially if you find yourself outdoors for extended periods.

Vieques in September usually receives heavy rainfall, averaging around 176 mm for the month. This month marks the year's heaviest rainfall, with frequent intense rainshowers. It's advisable to be prepared with appropriate rain gear to stay dry. Delving into the climate records from the past 30 years, one can predict that nearly 18 days of the month will see rainfall.

The days are predominantly sunny, with an estimated total of around 236 hours of sunshine. This amount of sunlight does not only brightens the days but also contributes to a cheerful ambiance in the area during this month.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Vieques. January, February, March, April and December generally stand out with the best circumstances. While August and September tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Vieques climate page with graphs.

 

Vieques, monthly averages in September

Min TemperatureMin Temperature 27°C  
Max TemperatureMax Temperature 30°C  
Chance of RainChance of Rain 60%  
PrecipitationPrecipitation 176 mm  
Rainy daysRainy days 18 days  
HumidityHumidity 76% *  
SunshineSunshine 236 hours *  
Percentage SunshinePercentage Sunshine 64% *  
* Data from: San Juan, Puerto Rico (66 KM, 41 Miles).

Where to go in Puerto Rico in September

Find out more about the weather in Puerto Rico in September and which places have the best weather conditions in this month.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Vieques in September?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in September.

Swimming
8/10
Cycling
7/10
Walking
7/10
Camping
7/10
Outdoor sports
7/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Vieques.

Our site offers climate and forecast data for every country in the world. Are you going to Puerto Rico? On this website you can find historical weather averages for many cities in Puerto Rico. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.